2-240891632-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001085437.3(MAB21L4):​c.646G>A​(p.Gly216Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000892 in 1,456,996 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 34)
Exomes 𝑓: 0.0000089 ( 0 hom. )

Consequence

MAB21L4
NM_001085437.3 missense

Scores

17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.916
Variant links:
Genes affected
MAB21L4 (HGNC:26216): (mab-21 like 4)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.052646995).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MAB21L4NM_001085437.3 linkuse as main transcriptc.646G>A p.Gly216Arg missense_variant 2/5 ENST00000388934.5 NP_001078906.3
MAB21L4NM_001282921.2 linkuse as main transcriptc.199G>A p.Gly67Arg missense_variant 2/5 NP_001269850.2
MAB21L4NM_024861.4 linkuse as main transcriptc.142G>A p.Gly48Arg missense_variant 2/5 NP_079137.4
MAB21L4XM_011511877.2 linkuse as main transcriptc.646G>A p.Gly216Arg missense_variant 3/6 XP_011510179.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MAB21L4ENST00000388934.5 linkuse as main transcriptc.646G>A p.Gly216Arg missense_variant 2/52 NM_001085437.3 ENSP00000373586 P1Q08AI8-1
MAB21L4ENST00000307486.12 linkuse as main transcriptc.199G>A p.Gly67Arg missense_variant 2/51 ENSP00000302779 Q08AI8-2
MAB21L4ENST00000402775.6 linkuse as main transcriptc.142G>A p.Gly48Arg missense_variant 2/52 ENSP00000385338 Q08AI8-3

Frequencies

GnomAD3 genomes
Cov.:
34
GnomAD3 exomes
AF:
0.00000408
AC:
1
AN:
245152
Hom.:
0
AF XY:
0.00000749
AC XY:
1
AN XY:
133544
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000891
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000892
AC:
13
AN:
1456996
Hom.:
0
Cov.:
37
AF XY:
0.00000828
AC XY:
6
AN XY:
725016
show subpopulations
Gnomad4 AFR exome
AF:
0.0000597
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000101
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
34
Bravo
AF:
0.00000756
ExAC
AF:
0.00000826
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 30, 2021The c.646G>A (p.G216R) alteration is located in exon 2 (coding exon 2) of the C2orf54 gene. This alteration results from a G to A substitution at nucleotide position 646, causing the glycine (G) at amino acid position 216 to be replaced by an arginine (R). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.12
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.77
CADD
Benign
6.6
DANN
Benign
0.69
DEOGEN2
Benign
0.0020
.;.;T
Eigen
Benign
-1.0
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.023
N
LIST_S2
Benign
0.60
T;T;T
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.053
T;T;T
MetaSVM
Benign
-1.0
T
MutationTaster
Benign
1.0
N;N;N
PROVEAN
Benign
-0.080
N;N;N
REVEL
Benign
0.021
Sift
Benign
0.49
T;T;T
Sift4G
Benign
0.51
T;T;T
Polyphen
0.0020
B;.;B
Vest4
0.10
MutPred
0.35
.;.;Gain of solvent accessibility (P = 0.0263);
MVP
0.067
MPC
0.093
ClinPred
0.034
T
GERP RS
-3.2
Varity_R
0.079
gMVP
0.36

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs772781785; hg19: chr2-241831049; COSMIC: COSV56743494; COSMIC: COSV56743494; API